<!DOCTYPE html>
<html>
	<head>
		<meta charset="uft-8">
		<title>outline</title>
		<style>
			body{text-align:center;}
			img{
				/*outline-color:red;
				outline-style:solid;
				outline-width:20px;*/
				border:blue dashed 10px;
				outline:red solid 20px;
			}
		</style>
	</head>
	<body>
		<img src="https://img4.duitang.com/uploads/item/201211/17/20121117122151_SmZBn.thumb.224_0.jpeg"/>
	</body>
</html>